Question 7
The following pseudocode is executed using the Shopping Bills dataset. What will D represent at the end of the execution?
For an item C, and a shop S, is set to True if and only if the item is sold for a constant price
For an item C, and a shop S, is set to True if and only if the item is billed in more than one bill
For an item C, and a shop S, is set to True if and only if the item is sold for variable price
For an item C, and a shop S, is set to True if and only if the item is billed in exactly one bill